Cover for head-mounted display device



FIG. 1 is a top left front perspective view of a cover for head-mounteddisplay device showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is another perspective reference view, in which a head-mounteddisplay device in dot-dot-dash broken lines is provided to illustrate anexample environment.

The dot-dot-dash broken lines showing a head-mounted display device inFIG. 8 are for the purpose of illustrating environmental structure andform no part of the claimed design.

CLAIM The ornamental design for a cover for head-mounted display device,as shown and described.